Name

Mastoid fossa

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Definition

The mastoid fossa (also known as MacEwen’s triangle or suprameatal triangle) is a triangular shaped depression in the external surface of the temporal bone.

It serves as an important anatomical landmark in otologic surgery.

Resource

Title: TeachMe Anatomy
Anatomy dictionary

Alternate Names

None

Abstractor Notes

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Histology

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Primary Sites

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Glossary